Environmentally benign smart self-healing silicone-based coating with dual antifouling and anti-corrosion properties
Sun, Jiawen1,2,3,4; Duan, Jizhou1,2,3,4; Liu, Xiangju1,2,4; Dong, Xucheng1,2,3,4; Zhang, Yimeng1,2,4; Liu, Chao1,5; Hou, Baorong1,2,3,4
2022-08-01
发表期刊APPLIED MATERIALS TODAY
ISSN2352-9407
卷号28页码:19
通讯作者Duan, Jizhou(duanjz@qdio.ac.cn) ; Liu, Chao(liuchao@hunau.edu.cn)
摘要Marine corrosion and biofouling on metallic materials are sticky problems in maintenance of various vessels and facilities in the ocean. Further, designing of an eco-friendly marine coating with both antifouling and anticorrosion properties has remained a significant challenge in marine field. The present study aimed to develop a novel smart self-healing silicone-based coating with dual antifouling and anti-corrosion properties was through disulfide exchange reaction between the functionalized monomer "lipoic acid-benzothiazole" (LA-BTZ) and LA modified polydimethylsiloxane (PDMS) based polyurea-urethane (PDMS-PUU-LA). Multiple dynamic bonds in backbone, flexible disulfide bonds, and strong cross-linked hydrogen bonds ensure the PDMS-based polymer with good toughness (2.58 MPa of ultimate strength), high stretchability (1014.7%), and self-healing properties. It was found that the scratches on the film in air completely disappeared within 40 min at room temperature. The time required for the healing efficiency of strength ranged between 98.5 and 94.6% under ambient condition and artificial seawater was only 4 and 8 h, respectively. The adhesion strength of silicon-based coating to epoxy resin and steel substrate was -2.50 and -3.33 MPa, respectively. In addition, results of laboratory bioassays and marine field test of 120-day demonstrated that coating without any additional toxic biocides in the present study had long-term static fouling-resistant properties. Electrochemical impedance spectroscopy (EIS) measurements and salt spray test showed that the PDMS-PUU-TZ-3 coating exhibited the better corrosion resistance. Therefore, the current work presented a novel eco-friendly smart silicone-based coating for marine antifouling and anticorrosion.
关键词Self-healing Hydrogen bonding Disulfide bond Antifouling Anti-corrosion
DOI10.1016/j.apmt.2022.101551
收录类别SCI
语种英语
资助项目Basic Frontier Science Research Program of Chinese Academy of Sciences[ZDBS-LY-DQC025] ; National Natural Science Foundation of China[41706080] ; Shandong Key Laboratory of Corrosion Science
WOS研究方向Materials Science
WOS类目Materials Science, Multidisciplinary
WOS记录号WOS:000812689100001
出版者ELSEVIER
引用统计
被引频次:23[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/179537
专题海洋环境腐蚀与生物污损重点实验室
通讯作者Duan, Jizhou; Liu, Chao
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, 7 Nanhai Rd, Qingdao 266071, Peoples R China
2.Pilot Natl Lab Marine Sci & Technol Qingdao, Open Studio Marine Corros & Protect, 168 Wenhai Middle Rd, Qingdao 266237, Peoples R China
3.Univ Chinese Acad Sci, 19 Jia Yuquan Rd, Beijing 100039, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Mega Sci, 7 Nanhai Rd, Qingdao 266071, Peoples R China
5.Hunan Agr Univ, Coll Resources & Environm, 1 Nongda Rd, Changsha 410128, Peoples R China
第一作者单位中国科学院海洋研究所
通讯作者单位中国科学院海洋研究所
推荐引用方式
GB/T 7714
Sun, Jiawen,Duan, Jizhou,Liu, Xiangju,et al. Environmentally benign smart self-healing silicone-based coating with dual antifouling and anti-corrosion properties[J]. APPLIED MATERIALS TODAY,2022,28:19.
APA Sun, Jiawen.,Duan, Jizhou.,Liu, Xiangju.,Dong, Xucheng.,Zhang, Yimeng.,...&Hou, Baorong.(2022).Environmentally benign smart self-healing silicone-based coating with dual antifouling and anti-corrosion properties.APPLIED MATERIALS TODAY,28,19.
MLA Sun, Jiawen,et al."Environmentally benign smart self-healing silicone-based coating with dual antifouling and anti-corrosion properties".APPLIED MATERIALS TODAY 28(2022):19.
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